Removes unused WaveOut APIs from ADM

webrtc/modules/audio_device/ios/audio_device_not_implemented_ios.mm

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 49 matching lines @@
 int32_t AudioDeviceIOS::SetSpeakerVolume(uint32_t volume) {
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
 int32_t AudioDeviceIOS::SpeakerVolume(uint32_t& volume) const {
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
-int32_t AudioDeviceIOS::SetWaveOutVolume(uint16_t, uint16_t) {
-  RTC_NOTREACHED() << "Not implemented";
-  return -1;
-}
-
-int32_t AudioDeviceIOS::WaveOutVolume(uint16_t&, uint16_t&) const {
-  RTC_NOTREACHED() << "Not implemented";
-  return -1;
-}
-
 int32_t AudioDeviceIOS::MaxSpeakerVolume(uint32_t& maxVolume) const {
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
 int32_t AudioDeviceIOS::MinSpeakerVolume(uint32_t& minVolume) const {
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
@@ skipping 193 matching lines @@
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
 int32_t AudioDeviceIOS::CPULoad(uint16_t&) const {
   RTC_NOTREACHED() << "Not implemented";
   return -1;
 }
 
 }  // namespace webrtc